The story
From iso- + verbascoside.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A polyphenolic glycoside [6-[2-(3,4-dihydroxyphenyl)ethoxy]-3,5-dihydroxy-4-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]methyl (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate Full definition →
From iso- + verbascoside.
Etymology from Wiktionary, CC BY-SA 4.0.